* {
    padding: 0;
    margin: 0;
    list-style: none;
    text-decoration: none;
    box-sizing: border-box;
}

.header {
    width: 1700px;
    height: 100px;
    background-color: skyblue;
    color: #fff;
    position: relative;
    margin: 3px auto;
    padding: auto;
    text-align: center;
    line-height: 100px;
    font-size: 40px;
    font-weight: 700;
}

.a3 {
    position: absolute;
    right: 30px;
    font-size: 35px;
    color: red;
}

.center {
    width: 1700px;
    height: 90px;
    margin: 2px auto;
    display: flex;
    padding-left: 20px;
    border: 2px solid black;
    display: flex;
    align-items: center;
}

button {
    width: 150px;
    height: 55px;
    background-color: skyblue;
    color: #fff;
    /* line-height: 90px; */
    font-size: 30px;
    margin-right: 20px;
    border: 1px solid white;
}

.start,.end {
    width: 90px;
    margin-left: 20px;
}

.p1 {
    /* border: 1px solid red; */
    width: 100px;
    height: 55px;
    font-size: 30px;
    margin-right: 20px;
    line-height: 55px;
    font-weight: 500;
}

.in1 {
    width: 90px;
    height: 50px;
    margin-right: 20px;
    /* padding: auto; */
    padding-left: 30px;
    font-size: 30px;
    border-radius: 5px;
    border: 1px solid #aeaaaa;
}

.selected {
    width: 140px;
    height: 55px;
    padding-left: 40px;
    font-size: 30px;
    border: 1px solid #aeaaaa;
}

ul {
    width: 1700px;
    margin: 30px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

li {
    width: 400px;
    height: 650px;
    border: 1px solid black;
    margin-bottom: 30px;
    display: flex;
    box-sizing: border-box;
    flex-direction: column;
    position: relative;
    /* flex-wrap: wrap; */
    
}

.imgs {
    width: 395px;
    height: 400px;
    /* border: 1px solid red; */
    /* display: flex; */
}

.title {
    /* width: 100%; */
    font-size: 25px;
    /* display: flex; */
    /* border: 1px solid red; */
    margin-left: 15px;
    margin-right: 15px;
    margin-top: 20px;
    word-wrap: break-word;
    line-height: 40px;
}

img {
    width: 100%;
}

.P1 {
    color: red;
    position: absolute;
    font-size: 30px;
    left: 15px;
    bottom: 20px;
    /* line-height: 25px; */
    /* border: 1px solid red; */
}

.p2 {
    position: absolute;
    color: rgb(110, 106, 106);
    font-size: 30px;
    right: 15px;
    bottom: 20px;
    /* border: 1px solid red; */
}

.disable {
    cursor: not-allowed;
}